Conflicting impact of alloreactive NK cells on transplantation outcomes after haploidentical transplantation: do the reconstitution kinetics of natural killer cells create these differences?

Conflicting impact of alloreactive NK cells on transplantation outcomes after haploidentical transplantation: do the reconstitution kinetics of natural killer cells create these differences?
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同种异体反应性 NK 细胞对半相合移植后移植结果的相互矛盾的影响:自然杀伤细胞的重建动力学是否造成这些差异?

DOI:
10.1016/j.bbmt.2011.05.020
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发表时间:
2011-10
期刊:
Biol Blood Marrow Transplant
影响因子:
--
通讯作者:
Huang XJ
Huang XJ
中科院分区:
其他
文献类型:
--
作者:
Zhao;XY;Chang YJ;Huang XJ

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部分HLA错配相关或HLA半相合供体干细胞移植(SCT)是缺乏HLA匹配相关或无关供体的晚期恶性血液病患者的可行治疗选择。自然杀伤(NK)细胞是先天免疫系统的主要细胞类型,其表达调节有效效应子功能(例如细胞溶解活性和细胞因子的释放)的表面受体,并且在炎症反应和免疫调节中发挥中心作用。关于NK细胞同种异体反应性对白血病患者单倍相合SCT结果的影响,已有报道证实了这一结果。本文总结了异质性的临床结果,并解释了NK细胞重建动力学以及NK细胞和T细胞之间相互作用的潜在机制。
Partially HLA-mismatched related, or HLA-haploidentical, donor stem cell transplantation (SCT) is a feasible therapeutic option for advanced hematologic malignancy patients who lack an HLA-matched related or unrelated donor. Natural killer (NK) cells, a major cell type of the innate immune system, express surface receptors that regulate potent effector functions, such as cytolytic activity and the release of cytokines, and play a central role in the inflammatory response and immunoregulation. Conflicting results have been reported regarding the impact of NK cell alloreactivity on the outcome of haploidentical SCT in leukemic patients. This review summarizes the heterogeneous clinical results and explains the underlying mechanisms with respect to the reconstitution kinetics of NK cells and the interactions between NK cells and T cells.
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